CICD: Removed the old Travis configurations (#2707)

.travis.yml

@@ -1,21 +0,0 @@
-language: go
-
-go:
-  - 1.14.x
-
-install: pwd
-
-script: 
-  - go run -mod=readonly build/validate/validate.go
-  - go test -mod=readonly ./...
-
-notifications:
-  email:
-    on_success: never # default: change
-    on_failure: always # default: always
-  webhooks:
-    urls:
-      - https://webhooks.gitter.im/e/4f27a4a85d6f4475be19
-    on_success: always  
-    on_failure: always
-    on_start: always     

build/validate/validate.go

@@ -1,130 +0,0 @@
-package main
-
-import (
-	"context"
-	"crypto/aes"
-	"crypto/cipher"
-	"encoding/base64"
-	"fmt"
-	"os"
-	"os/exec"
-	"strings"
-
-	"github.com/google/go-github/v35/github"
-	"golang.org/x/oauth2"
-)
-
-func main() {
-	failed := false
-
-	run := func(ctx string, preStatus string, goodStatus string, f func() error) {
-		setStatus(stPending, preStatus, ctx)
-		if err := f(); err != nil {
-			fmt.Println(err)
-			setStatus(stError, err.Error(), ctx)
-			failed = true
-		} else {
-			setStatus(stSuccess, goodStatus, ctx)
-		}
-	}
-
-	run("gofmt", "Checking gofmt", "gofmt ok", checkGoFmt)
-	run("gogen", "Checking go generate", "go generate ok", checkGoGenerate)
-	if failed {
-		os.Exit(1)
-	}
-}
-
-func checkGoFmt() error {
-	cmd := exec.Command("gofmt", "-s", "-l", ".")
-	out, err := cmd.CombinedOutput()
-	if err != nil {
-		return err
-	}
-	if len(out) == 0 {
-		return nil
-	}
-	files := strings.Split(string(out), "\n")
-	fList := ""
-	for _, f := range files {
-		if strings.HasPrefix(f, "vendor") {
-			continue
-		}
-		if fList != "" {
-			fList += "\n"
-		}
-		fList += f
-	}
-	if fList == "" {
-		return nil
-	}
-	return fmt.Errorf("the following files need to have gofmt run on them:\n%s", fList)
-}
-
-func checkGoGenerate() error {
-	cmd := exec.Command("go", "generate")
-	cmd.Stdout = os.Stdout
-	cmd.Stderr = os.Stderr
-	err := cmd.Run()
-	if err != nil {
-		return err
-	}
-	modified, err := getModifiedFiles()
-	if err != nil {
-		return err
-	}
-	if len(modified) != 0 {
-		return fmt.Errorf("ERROR: The following files are modified after go generate:\n%s", strings.Join(modified, "\n"))
-	}
-	return nil
-}
-
-func getModifiedFiles() ([]string, error) {
-	cmd := exec.Command("git", strings.Split("diff --name-only", " ")...)
-	out, err := cmd.CombinedOutput()
-	if err != nil {
-		return nil, err
-	}
-	if len(out) == 0 {
-		return nil, nil
-	}
-	return strings.Split(string(out), "\n"), nil
-}
-
-const (
-	stPending = "pending"
-	stSuccess = "success"
-	stError   = "error"
-)
-
-func setStatus(status string, desc string, ctx string) {
-	if commitish == "" || ctx == "" {
-		return
-	}
-	client.Repositories.CreateStatus(context.Background(), "StackExchange", "dnscontrol", commitish, &github.RepoStatus{
-		Context:     &ctx,
-		Description: &desc,
-		State:       &status,
-	})
-}
-
-var client *github.Client
-var commitish string
-
-func init() {
-	// not intended for security, just minimal obfuscation.
-	key, _ := base64.StdEncoding.DecodeString("qIOy76aRcXcxm3vb82tvZqW6JoYnpncgVKx7qej1y+4=")
-	iv, _ := base64.StdEncoding.DecodeString("okRtW8z6Mx04Y9yMk1cb5w==")
-	garb, _ := base64.StdEncoding.DecodeString("ut8AtS6re1g7m/onk0ciIq7OxNOdZ/tsQ5ay6OfxKcARnBGY0bQ+pA==")
-	c, _ := aes.NewCipher(key)
-	d := cipher.NewCFBDecrypter(c, iv)
-	t := make([]byte, len(garb))
-	d.XORKeyStream(t, garb)
-	hc := oauth2.NewClient(context.Background(), oauth2.StaticTokenSource(&oauth2.Token{AccessToken: string(t)}))
-	client = github.NewClient(hc)
-
-	// get current version if in travis build
-	if tc := os.Getenv("TRAVIS_COMMIT"); tc != "" {
-		commitish = tc
-	}
-}